Science unit 2 Flashcards
What is a chemical change?
A change in one or more substances, caused by a reaction, that forms new and different substances.
What is conservation of matter?
The rule that states that during physical change, the amount stays the same
What is gas?
The state of matter that does not have a definite shape or volume
What is liquid?
A form of matter that has a volume that stays the same but has a shape that can change
what is matter?
Anything that takes up space
What is a mixture?
A combination of two or more different substances in which the substances keep their identities
What is a physical change?
A change in which the shape or form of the substance changes but substance has the same physical makeup
What is a solid?
The state of matter that has a definite shape and a definite volume
What is solubility?
How much of a substance will dissolve in a given amount of a different substance
What is a solution ?
A mixture that has the same composition throughout because all its parts are mixed evenly
